7x^2+3x-4=-4

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Solution for 7x^2+3x-4=-4 equation:


Simplifying
7x2 + 3x + -4 = -4

Reorder the terms:
-4 + 3x + 7x2 = -4

Add '4' to each side of the equation.
-4 + 3x + 4 + 7x2 = -4 + 4

Reorder the terms:
-4 + 4 + 3x + 7x2 = -4 + 4

Combine like terms: -4 + 4 = 0
0 + 3x + 7x2 = -4 + 4
3x + 7x2 = -4 + 4

Combine like terms: -4 + 4 = 0
3x + 7x2 = 0

Solving
3x + 7x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(3 + 7x) = 0

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(3 + 7x)' equal to zero and attempt to solve: Simplifying 3 + 7x = 0 Solving 3 + 7x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + 7x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 7x = 0 + -3 7x = 0 + -3 Combine like terms: 0 + -3 = -3 7x = -3 Divide each side by '7'. x = -0.4285714286 Simplifying x = -0.4285714286

Solution

x = {0, -0.4285714286}

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